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net: sysfs: Document "phydev" symbolic link 

Now that we link the network device to its PHY device, document this
sysfs symbolic link.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Florian Fainelli 2017-05-25 09:21:42 -07:00 committed by David S. Miller
parent 5568363f0c
commit 8f60219890
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Documentation/ABI/testing/sysfs-class-net
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@ -251,3 +251,11 @@ Contact: netdev@vger.kernel.org
Description: Description:
Indicates the unique physical switch identifier of a switch this Indicates the unique physical switch identifier of a switch this
port belongs to, as a string. port belongs to, as a string.
What: /sys/class/net/<iface>/phydev
Date: May 2017
KernelVersion: 4.13
Contact: netdev@vger.kernel.org
Description:
Symbolic link to the PHY device this network device is attached
to.